Festo CP-FB11-E Brief Description page 18

4.3 Setting the compatibility (DIL switch)
You can adjust the field bus node so that it is compatible
with earlier software versions.
DIL switches
Switch element 3
must always be set to
ON.
ON
1
2
3
4
18
Compatible to
earlier versions
Version 1.4
(until 01.02.2001)
3
4
ON
Current software
version
Version 2.1
(as from 01.02.2001)
as supplied
3
4
ON
Festo CP-FB11-E 0112e English